neutral buoyancy

  1. djbclark

    Maintaining Neutral Buoyancy w/ Proper Trim with Weights Only (for pool/snorkeling/spearfishing)

    Any suggestions on the best option here or that I haven't thought of? For the case where you will just be a few feet under water 99% of the time and so a BCD would be massive overkill. All of these prices do not include the actual weights, which in my case must be coated or otherwise sealed...
  2. IDC Koh Tao Thailand

    Neutrally Buoyant vs Kneeling - What is Better whilst teaching Scuba Diving skills?

    For some people this is a very hot topic Is it better to teach scuba diving skills on your knees on the bottom or when being neutrally buoyant on students first diving experience in confined water? I would love to hear your opinions in the comments below My opinion: (I am talking about the...
  3. giovyledzep

    No knee skills for DM

    I'm taking a PADI Divemaster course and I see all the skills and tests are demonstrated in a knees-on-the-floor position. I always make a point of keeping good horizontal trim and minimizing contact with the floor (be it in a pool or open water) so not to damage corals, the equipment, stir up...
  4. The Laconic

    Closed Pair of Catalina modular neutrally-buoyant AL80s, Chicago area

    Catalina* neutrally-buoyant AL80 tanks, left- and right-handed valves, and modular so that you can change them from yoke to DIN with an Allen wrench. I bought these back in 2014 for solo sidemount diving. Only used a dozen times a year, at most. I have medical issues that preclude any...
  5. rsingler

    Info Optimal Buoyancy Computer

    The Optimal Buoyancy Computer A tool to help nail buoyancy and improve safety, before you splash 1) How much lead should I carry with my new wetsuit? 2) How big a wing should I buy? 3) Will my BCD support my lead, both at the surface and when my wetsuit is compressed at depth? 4) Will my BCD...
  6. Todd Whitworth

    Buoyancy, weight and Trim.

    Hey Folks, I'm looking for some feedback. I dive in British Columbia Canada most of the time, and it's cold here so I have a lot of exposure protection. I wear a full 7mm wetsuit, with a 7mm shortie overtop. Keeps me nice and warm. Typically I wear about 40lbs of led. 14 pounds on my weight...
  7. rsingler

    Buoyancy, Balanced Rigs, Failures and Ditching – a comprehensive tool

    Attached to the bottom of this post are 2 large Excel spreadsheets called Buoyancy Estimator v25d.xlsx (for current Excel), and Buoyancy Estimator 25d.xls (for Excel 97-03) that are designed to answer many of the questions suggested by the topics mentioned below. Taking the time to look at data...
  8. M

    How to achieve good and proper Trim while diving

    When you’re out diving with a group, sometimes you immediately notice a few divers looking really cool. It’s certainly not their wetsuit or gear (probably faded and worn down) :). But it’s how they are in the water. They’re not vertical like standing, they’re not kneeling in the sand, they’re...
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